1. Homeland Security Conference Symposium on Homeland Security & Defense Christopher Newport University May 18, 2015 1

2. Homeland Security Conference Topics for Discussion  Dominion Resources Overview  The Emerging Threat to the Bulk Electric System (BES)  Dominion’s BES Resiliency and Security Measures 2

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5. 5 February 4, 2014 National Realization Threats Have Fundamentally Changed

6. Homeland Security Conference 6 U.S. Risks National Blackout From Small-Scale Attack Federal Analysis Says Sabotage of Nine Key Substations Is Sufficient for Broad Outage By REBECCA SMITH March 12, 2014 7:03 p.m. ET

7. Homeland Security Conference Dominion Virginia Power Electric Transmission Security and Resiliency  ~6,455 miles electric lines  ~461 transmission substations 7

8. Homeland Security Conference NERC Interconnections 8

9. Homeland Security Conference Over 6,300 miles of transmission line First 500kV Loop In the free world (1965) Dominion Electric Transmission System 9

10. Homeland Security Conference Level 1 Level 2 Level 3 Level 4 10 Risk Level & Modeling Max Security Heightened Security Standard Security Elevated Security FERC 500kV Stations Primary Black Start Paths All other 500kV Stations Remaining CIP sites 230kV/115kV Critical Stations Two stations from Dom Nuclear Customer Nuclear assets Alternate Black Start Path Select Government Stations All Remaining Transmission Stations Modeling for potential impact on BES

11. Homeland Security Conference  Prevention Physical barriers Additional access control Equipment design, hardening  Detection & Event Mitigation Security and IT initiatives Polymer bushing installation EMP capabilities  Recovery Additional spare equipment Relocation of spare equipment to off-site storage areas 11 Substations - Resiliency & Security Considerations

12. Homeland Security Conference Dominion’s Response Physical Security Countermeasure  Hardened Perimeter Barriers  Access Control  Multiple Threat Mitigation 12

13. Homeland Security Conference Dominion’s Response Security Technology Countermeasures  Multiple Sensor Technologies  High Quality Assessment  Analytics  Technology Integration 13

14. Homeland Security Conference Corporate Security Fusion Center  Functioning Decision Center  Event and Information Analysis  Threat Management & Countermeasures  24 x 7 Monitoring and Management  Rapid Response – Virtual Interface with SOC, NOC and Regional Operating Centers – Interface with Corporate Security Response – Interface with State and Local Government Agencies 14

15. Homeland Security Conference Dominion’s Resiliency Strategy 15 Assess Prevent Detect Recover OngoingInterdisciplinaryCommunication Adapting to Escalating Threats  Cyber Attacks  Physical Breaches  Extreme Weather  The Unknown

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